<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <input type="text" value="北京市"><br>
    <input type="text" value="朝阳区"><br>
    <button onclick="click1()">传参</button>
</body>
<script>
let inp1=document.querySelectorAll('input')
function click1(){
    alert(inp1[0].value)
    alert(inp1[1].value)
}
</script>
</html>